package com.czk.gulimall.product.config;

import org.springframework.boot.autoconfigure.cache.CacheProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.StringRedisSerializer;

/**
 * @Author:ChenZhangKun
 * @Date: 2022/1/24 21:16
 */
@Configuration
@EnableCaching
@EnableConfigurationProperties(CacheProperties.class)
public class MyCacheConfig {
    /**
     * @return
     */
    @Bean
    public RedisCacheConfiguration redisCacheConfiguration(CacheProperties cacheProperties) {
        RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig();

        // key序列化
        config = config.serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(
                new StringRedisSerializer()
        ));
        // value序列化
        config = config.serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(
                new GenericJackson2JsonRedisSerializer()
        ));
        // 将配置文件中所有配置都生效
        CacheProperties.Redis redisProperties = cacheProperties.getRedis();
        if (redisProperties.getTimeToLive() != null) {
            config = config.entryTtl(redisProperties.getTimeToLive());
        }

        if (redisProperties.getKeyPrefix() != null) {
            config = config.prefixKeysWith(redisProperties.getKeyPrefix());
        }

        if (!redisProperties.isCacheNullValues()) {
            config = config.disableCachingNullValues();
        }

        if (!redisProperties.isUseKeyPrefix()) {
            config = config.disableKeyPrefix();
        }
        return config;
    }
}
